:root {
    --bg: #0f1115;
    --panel: #161a21;
    --panel-2: #1c2129;
    --line: #262c36;
    --text: #e6e8eb;
    --muted: #8b93a1;
    --accent: #4c8dff;
    --danger: #ff6b6b;
    --ok: #3ddc97;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.error { color: var(--danger); }
.ok { color: var(--ok); }

/* login */
.center-view { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 340px; }

/* layout */
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 220px; flex: 0 0 220px; background: var(--panel); border-right: 1px solid var(--line);
    display: flex; flex-direction: column; padding: 16px 0;
}
.brand { padding: 0 16px 16px; font-weight: 600; letter-spacing: .3px; }
.sidebar nav { display: flex; flex-direction: column; }
.sidebar nav a {
    color: var(--text); text-decoration: none; padding: 9px 16px; border-left: 2px solid transparent;
}
.sidebar nav a:hover { background: var(--panel-2); }
.sidebar nav a.active { border-left-color: var(--accent); background: var(--panel-2); }
.sidebar-footer { margin-top: auto; padding: 16px; }
.main { flex: 1; padding: 24px 28px; max-width: 1100px; }

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 24px 0 8px; color: #c9cede; }

/* forms */
label { display: block; margin: 10px 0; font-size: 13px; color: var(--muted); }
label.checkbox { display: flex; align-items: center; gap: 6px; margin: 0; }
input, select, textarea {
    width: 100%; margin-top: 4px; padding: 8px 10px; color: var(--text);
    background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; font: inherit;
}
label.checkbox input { width: auto; margin: 0; }
textarea { resize: vertical; }
button { font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); cursor: pointer; }
button:hover { border-color: #38404d; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button.ghost { background: transparent; }
button.small { padding: 5px 10px; font-size: 12px; }
button:disabled { opacity: .55; cursor: not-allowed; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.row > input, .row > select { width: auto; flex: 1 1 180px; margin-top: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 12px 0; }

/* tables */
.table { width: 100%; border-collapse: collapse; margin: 8px 0 4px; font-size: 13px; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; }
.table td.actions { white-space: nowrap; }
.table td.actions button { margin-right: 6px; }

.badge { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 11px; border: 1px solid var(--line); }
.badge.active { color: var(--ok); border-color: #245c45; }
.badge.superseded { color: var(--muted); }
.badge.unavailable { color: var(--danger); border-color: #5c2b2b; }

.banner { background: #3a2a12; border: 1px solid #6b4d1f; color: #ffd8a0; padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }

progress { width: 220px; height: 8px; }

/* modal —— 目前只有 App-Key 明文弹层用（一次性密钥必须能复制走，alert 做不到） */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(0, 0, 0, .62);
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
    width: 580px; max-width: 100%; max-height: 100%; overflow: auto;
    background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
    padding: 20px; box-shadow: 0 18px 48px rgba(0, 0, 0, .55);
}
.modal h2 { margin-bottom: 6px; }
/* 明文输入框：等宽 + 反色底，长 key 也不会看错字符；readonly 让 select() 仍然可用 */
.modal input[readonly] { background: #0b0d11; border-color: #38404d; letter-spacing: .3px; }
.modal .row { margin-bottom: 0; }